Fredborg, K. M.; Nielsen, Lauge; Pinborg, Jan
An unedited part of Roger Bacon's "Opus maius": "De signis"
In: Traditio. Studies in ancient and medieval history, thought and religion
Year 1978, issue 34
S. 81 - 136
Fredborg, K. M.; Nielsen, Lauge; Pinborg, Jan
In: Traditio. Studies in ancient and medieval history, thought and religion
Year 1978, issue 34